NEW DELHI, Oct. 4 -- A 45-year-old Delhi Transport Corporation (DTC) bus marshal, an ex-serviceman, was arrested for allegedly biting off the finger of a 34-year-old conductor following a quarrel over a bus route on September 28, police said on Friday. Deputy Commissioner of Police (South West) Amit Goel identified as Man Singh and the victim as Jitendra Kumar Punia, a resident of Munirka. Police said the control room received a call at 7.46pm reporting a quarrel involving a bus conductor. Punia told the police that bus marshal Singh had physically assaulted him and bitten off his finger while the bus was plying on route number 392. "The cause of the quarrel was that the bus driver and marshal wanted to take the bus, which runs between Sect...